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National Stock Number:
4820-01-141-5054
Federal Supply Class:
4820
National Item Identification Number:
011415054
Description:
VALVE,STOP-CHECK
Detail:
A VALVE WITH A BOLT OR STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, THE VALVE DISK IS LOCATED AND LOCKED AGAINST THE SEAT PERMITTING NO FLUID FLOW THROUGH THE VALVE. IN THE SECOND POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE (1), LIFT-CHECK AND VALVE (1), STOP-LIFT-CHECK.
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Manufacturer Information:
| 055959 | 48422 | WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION | | 2003 BWE 4IN | 48422 | WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION |
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Techincal Specification:
| BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | BOLTED | | CONNECTION TYPE | BUTT WELD PIPE ALL ENDS | | CONNECTION STYLE | BEVELED (PIPE) ALL ENDS | | DISK LOADING METHOD | WEIGHT | | FLOW CONTROL DEVICE | DISK | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A-276 TYPE 316 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A-351 GRADE CF3M ASSN STD SINGLE MATERIAL RESPONSE BODY | | MATERIAL | STEEL COMP 316 FLOW CONTROL DEVICE | | MATERIAL | STEEL UNS J92800 BODY | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL PIPE SIZE ACCOMMODATED | 4.000 INCHES ALL ENDS | | STYLE DESIGNATOR | STRAIGHT THRU | | VALVE OPERATION METHOD | AUTOMATIC |
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